Báo cáo y học: "Molecular epidemiology of hepatitis E virus infections in Shanghai, China" ppt

... sequences, all emanating from Shanghai, were retrieved from GenBank. Consistent with the primary role of genotype 4 in China overall, analysis of the sequences revealed this to have been the ... square brackets that define the HEV subtypes. Each branch is labeled with the host of the HEV isolate, GenBank accession number and the year the strain was isolated. Reference sequences a...

Ngày tải lên: 11/08/2014, 21:22

... of subtypes have been identified globally. All these gen- otypes are generally studied for epidemiology, their vaccine development and clinical management. This article comments the frequency ... untypable in th e current study. The pattern of HCV genotypes of the typeable samples seen in the current study were in the order of: 240 (57.83%) were genotype 3a, 25 (6.02%) were wi...

Ngày tải lên: 12/08/2014, 04:20

... previously reported strains. Our results show the remarkable genetic stability of the E gene sequence in Korean JEV strains. Five pairs of E gene sequences from 10 Korean strains were identical, ... problematic in phylogenetic analyses. K82P01 was grouped in genotype 3 or unclassified based on the E gene sequence, and K91P55 was classified in either geno- type 1 or genotyp...

Ngày tải lên: 12/08/2014, 04:20

... complex revealed that NS4A is an integral component of the enzyme core [41]. Surprisingly, the NS3 serine protease recently turned out to influence the innate cellular host defense by inhibition ... heterodimers which are believed to represent the building blocks for the viral envelope. The processes of particle assembly and release are poorly understood and have only recently beco...

Ngày tải lên: 02/11/2012, 10:00

... sequences of the Gree k strains included in the phylogenetic analysis with the reference sequences of different HAV genotypes. Results Presence of HAV in environmental and clinical samples HAV ... epidemiological pattern may emerge in the near future. Data from the occurrence of viruses in sewage may provide an overview of the Figure 2 Phylogenetic tree depicting the relatio...

Ngày tải lên: 12/08/2014, 01:21

... analysed sequences represented two clusters of a single SAV subtype; however some of the observed sequence divergence was higher than that previously reported by other researchers. Larger scale, ... sequences of the obtained is olates; E2 -6K sequences, short E2 sequences and nsP3 s equences. All three trees showed similar topology. The tree covering the larges t number of sequences...

Ngày tải lên: 12/08/2014, 04:20

... fatty liver. Negative results of his serum HCV RNA were documented once one year before the end of combination therapy and three t imes at the end of the combination therapy. His HBV DNA was below ... any episodes of allograft rejection. Case presentation A 51-year-old Taiwanese man had received regular hemodialysis three times weekly for six years when he was diagnosed with end-stage...

Ngày tải lên: 10/08/2014, 23:21

... genotypes [2,3]. Based on sequence diverge nce in the entire genome, eight genotypes (A to H), differing by at least 8%, have been identified [4,5]. Genotypes A to D and F have been, recently, ... Confirmation of our findings with a more sensitive technique would be of interest. Phylogenetic analysis and comparison to other Tuni- sian sequences of genotype D revealed high identity bet...

Ngày tải lên: 12/08/2014, 02:20

... studies are needed to clarify such evident prevalence as longer time may be needed to observe such changes. In Pakistan it seems that 15-20 years needed as the genotyp e 3 a to be replaced by gen- otype ... Genotype 4 was significantly more frequent in female while genotype 1 more frequent in males though the frequency of genotypes 3 and 4 were independent of gender. How- ever, su...

Ngày tải lên: 12/08/2014, 02:20

... immunodeficiency virus infection to track neuroinvasion [70]. In this study employing rhesus macaques, fluorescein dye-labeled autologous leukocytes were introduced in the periphery from where the ... seeding, a viral sanctuary indepen- dent of the periphery or just reflected infection features outside the brain. The introduction of HAART chal- lenged our vision of the brain as an...

Ngày tải lên: 12/08/2014, 23:23